"It's not a bug, it's a feature."
https://en.wikipedia.org/wiki/Principle_of_explosion
> As a demonstration of the principle, consider two contradictory statements—"All lemons are yellow" and "Not all lemons are yellow"—and suppose that both are true.
I am not understanding why we are freely supposing both are true?
> As a demonstration of the principle, consider two contradictory statements—"All lemons are yellow" and "Not all lemons are yellow"—and suppose that both are true.
I am not understanding why we are freely supposing both are true?